JPH0329863U - - Google Patents
Info
- Publication number
- JPH0329863U JPH0329863U JP8770589U JP8770589U JPH0329863U JP H0329863 U JPH0329863 U JP H0329863U JP 8770589 U JP8770589 U JP 8770589U JP 8770589 U JP8770589 U JP 8770589U JP H0329863 U JPH0329863 U JP H0329863U
- Authority
- JP
- Japan
- Prior art keywords
- image
- document
- detection means
- image detection
- original
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Holders For Sensitive Materials And Originals (AREA)
Description
第１図は本考案に係る画像形成装置の一実施例
の構成図、第２図は制御部のブロツク図、第３図
は原稿の給送制御処理の流れを示すフローチヤー
ト、第４図ａ乃至ｃは原稿が両面原稿であると検
知されたときの動作説明図、第５図ａ，ｂは原稿
が片面原稿であつて表面に画像があると検知され
たときの動作説明図、第６図ａ，ｂは原稿が片面
原稿であつて裏面に画像があると検知されたとき
の動作説明図、第７図は原稿の表面、裏面のいず
れにも画像がないと検知されたときの動作説明図
である。
１……露光ランプ、２５……原稿テーブル、２
６……搬送ベルト、２８……反転排紙部、２９…
…原稿セツト検知センサ、３０……裏面画像検知
センサ、３１……表面画像検知センサ、３３……
呼び出しコロ、３５……反転コロ、３６……反転
切替爪、３７……排紙コロ、３８……反転排紙検
知センサ、４０……コンタクトガラス、４１……
自動原稿給送装置。
FIG. 1 is a block diagram of an embodiment of the image forming apparatus according to the present invention, FIG. 2 is a block diagram of the control section, FIG. 3 is a flowchart showing the flow of document feeding control processing, and FIG. 4 a Figures 5a and 5c are explanatory diagrams of the operation when the original is detected to be a double-sided original, Figures 5a and b are diagrams illustrative of the operation when it is detected that the original is a single-sided original with an image on the front side, and Figure 6 is an explanatory diagram of the operation when the original is detected to be a double-sided original. Figures a and b are explanatory diagrams of the operation when it is detected that the original is a single-sided original with an image on the back side, and Figure 7 is the operation when it is detected that there is no image on either the front or back side of the original. It is an explanatory diagram. 1...Exposure lamp, 25...Document table, 2
6... Conveyor belt, 28... Reversing sheet discharge section, 29...
...Original set detection sensor, 30... Back side image detection sensor, 31... Front side image detection sensor, 33...
Calling roller, 35... Reversing roller, 36... Reversing switching claw, 37... Paper ejection roller, 38... Reversing paper ejection detection sensor, 40... Contact glass, 41...
Automatic document feeder.
Claims (1)
う画像形成装置において、原稿の給送時に原稿の
表面に画像が存在するかを検知する表面画像検知
手段と、原稿の裏面に画像が存在するかを検知す
る裏面画像検知手段とを設け、前記表面画像検知
手段、前記裏面画像検知手段からの検知結果に基
づいて画像が存在する面を露光するよう給送制御
するようになつていることを特徴とする画像形成
装置。 An image forming apparatus that automatically feeds a document to a predetermined position and exposes the document includes a front-side image detection means that detects whether an image exists on the front side of the document when the document is fed, and a front-side image detection means that detects whether an image exists on the back side of the document. and a rear side image detection means for detecting whether the image is present on the image, and feeding control is performed to expose the side on which the image is present based on the detection results from the front side image detection means and the back side image detection means. Features of the image forming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8770589U JPH0329863U (en) | 1989-07-26 | 1989-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8770589U JPH0329863U (en) | 1989-07-26 | 1989-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329863U true JPH0329863U (en) | 1991-03-25 |
Family
ID=31637346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8770589U Pending JPH0329863U (en) | 1989-07-26 | 1989-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329863U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116841A (en) * | 1977-03-22 | 1978-10-12 | Ricoh Co Ltd | Copying apparatus |
-
1989
- 1989-07-26 JP JP8770589U patent/JPH0329863U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116841A (en) * | 1977-03-22 | 1978-10-12 | Ricoh Co Ltd | Copying apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS55153950A (en) | Image forming apparatus | |
| JPS63199254U (en) | ||
| JPH0356943U (en) | ||
| JPH0977282A (en) | Document feeder | |
| JPS62113143U (en) | ||
| JPH049836U (en) | ||
| JP2619380B2 (en) | Document feeder | |
| JPS6213948U (en) | ||
| JPS57157261A (en) | Automatic original feeding device for copying machine | |
| JPH0258758U (en) | ||
| JPH04110057U (en) | fax machine | |
| JPH0422442U (en) | ||
| JPH01118933U (en) | ||
| JPS644106Y2 (en) | ||
| JPH0380045U (en) | ||
| JPH0426950U (en) | ||
| JPS6393340U (en) | ||
| JPH04239669A (en) | Automatic paper sucking apparatus | |
| JPH03103448U (en) | ||
| JPH0275461U (en) | ||
| JPH0364957U (en) | ||
| JPS6127856A (en) | Copying machine | |
| JPH0331149U (en) | ||
| JPH0290853U (en) | ||
| JPS6222663U (en) |